Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609035 | Method and apparatus for freezing large blocks of a liquid or slurry | Billy Cothern, Joseph A. Ramsey | 1997-03-11 |
| 5535598 | Method and apparatus for freezing large blocks of a liquid or slurry | Billy Cothern, Joseph A. Ramsey | 1996-07-16 |